Home / 94,212.78-141,288.92-31,018.20

Finding the Fourth Proportional to 94,212.78, 141,288.92 and 31,018.20

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Solution

The fourth proportional to 94,212.78, 141,288.92 and 31,018.20 is: 46,517.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,212.78 : 141,288.92 = 31,018.20 : x
  2. Step 2: Convert to fraction form
    94,212.78/141,288.92 = 31,018.20/x
  3. Step 3: Cross multiply
    94,212.78x = 141,288.92 × 31,018.20
  4. Step 4: Simplify right side
    94,212.78x = 4,382,527,978.34
  5. Step 5: Solve for x
    x = 4,382,527,978.34/94,212.78
  6. Step 6: Final answer
    x = 46,517.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.